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Sunday, August 30, 2020

Mediatek Creates AI that Creates Image Sensor Noise

Axiv.org paper "Learning Camera-Aware Noise Models" by Ke-Chi Chang, Ren Wang, Hung-Jin Lin, Yu-Lun Liu, Chia-Ping Chen, Yu-Lin Chang, and Hwann-Tzong Chen from Mediatek and National Tsing Hua University, Taiwan, automates image sensor model building:

"Modeling imaging sensor noise is a fundamental problem for image processing and computer vision applications. While most previous works adopt statistical noise models, real-world noise is far more complicated and beyond what these models can describe. To tackle this issue, we propose a data-driven approach, where a generative noise model is learned from real-world noise. The proposed noise model is camera-aware, that is, different noise characteristics of different camera sensors can be learned simultaneously, and a single learned noise model can generate different noise for different camera sensors. Experimental results show that our method quantitatively and qualitatively outperforms existing statistical noise models and learning-based methods."

1 comment:

  1. https://www.devicespecifications.com/en/news/a72c1127

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